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Images from the Transition Region And Coronal Explorer (TRACE) spacecraft. (Click on images for print resolution version or view movie.) Credit: NASA/LMSAL

(Above) Image 1: A false-color composite of three SOHO images all made in extreme ultraviolet light. Credit: NASA/ESA. Image 2: The closest view of a sunspot taken by the Swedish Solar Telescope on La Palma in the Canary Islands. Credit: SST/Royal Swedish Academy of Sciences

Image 1: 3-D view of the Sun made from two images taken by Soft X-ray Telescope on the Yohkoh satellite. Credit: NASA/ISAS/David Batchelor. Image 2: 3-D view made from multiple images taken by the SOHO satellite. Credit: NASA/ESA.

(Above) Space weather has important implications for our space systems like satellites, but it also means some beautiful light shows on Earth. Image 1: The Polar spacecraft saw the aurora australis (southern lights) expanding and brightening on Nov. 8. Credit: NASA/University of Iowa. Image 2: A view of the aurora australis as taken by the Imager for Magnetopause-to-Aurora Global Exploration (IMAGE) spacecraft on Jan. 7. Credit: NASA. Image 3: An aurora spotted in Plymouth, OH. Credit: Terry Lutz.